A B C D E F G H I J-K L M N O P Q-R S T U V W-Y 0-9
close this section of the libraryField and laboratory investigations of Bacillus thuringiensis as a control agent for gypsy moth Porthetria dispar (L(1)
View the documentField and laboratory investigations of Bacillus thuringiensis as a control agent for gypsy moth Porthetria dispar (L.) / by Franklin B. Lewis and Donald P. Connola. Lewis, Franklin B. cn Upper Darby, Pa. : Northeastern Forest Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1966.